Correction to: Bulletin of Volcanology (2019) 81:51

https://doi.org/10.1007/s00445-019-1310-0

The original version of this article unfortunately contained a mistake in its pdf version. Due to a formatting problem, the ‘tilde’ which is supposed to stay on top of ‘x’ or ‘y’ is in the middle, overlapping the variables. The online version of this article does not have this problem.

The original article has been corrected.